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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024


    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Engineering & Science Crossword Puzzle

September 14, 2001

Visit the Crossword Express website - RF CafeTake a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.


RF Cafe - Engineering & Science Crossword Puzzle


1 Send junk e-mail

6 18 GHz to 26.5 GHz

11 Colorado Springs military school

12 Semiconductor lamp

13 Electronic warfare defense

15 Type of current flow

19 Chemical symbol for iron

20 Language of Nepal

22 Resembling a fleece

24 Test point

25 Type of memory

26 Internet URL resolver

27 European equivalent to the U.L.

28 Quickly changing portion of waveform

29 Waveform limit definition

31 Organization for former military members

34 Antenna vendor in Beltsville, MD

35 Adjust a pot

37 Spawning area of salmon

41 Frequency mixing result

45 Front edge of a wing, abbr.

47 Antenna gain unit

48 Powers pneumatic devices

49 PC follower

50 Add catalyst

51 Loyalty

52 Type of model airplane control system, abbr.

53 Min-to-max voltage of a waveform

54 Programmable Logic Device

56 RF amplifier company in CA

57 Opposite of difference

59 _____-wise linear

60 Just entering the nonlinear region


2 Output stage of a transmitter

3 Afraid

4 1/000 of an amp

5 (fUpper + fLower) / 2

7 Chemical symbol for beryllium

8 MS database

9 Home state of Los Alamos lab

10 Type of project management chart

14 Sent a telegraph message

16 Brown-capped boletus mushroom

17 Phase if the 1st derivative wrt to this

18 Offset Frequency Shift Keying

19 Spectrum regulatory agency in the U.S.

21 Be behind in phase

23 Low Noise Amplifier

30 Relative level of signal and noise

31 Vessel or duct

32 Rainy

33 Miniature RF connector type

36 Color representing "0"

38 Fit to be eaten

39 Logarithmic unit of voltage

40 Thread cutting tools

41 Not in harm's way

42 Type of chart

43 A superior planet

44 Positively doped silicon

46 High-speed logic family

49 Directions for verifying proper function

54 Ratio of circumference to diameter

55 Type of current

57 Symbol for tin

58 Metal parts engineer

Answer below

















RF Cafe - Engineering & Science Crossword Puzzle

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